Closure, here! Get your closure! We may only be six episodes in, but the This Is Us series finale is nigh, and people are lining up for a healthy helping of closure. This week, it’s mainly Beth. She’s only a Pearson by marriage, so she isn’t devastatingly damaged by emotional trauma like some of her other cohorts, but she isn’t completely free from emotional trauma either. Could you imagine? A character on this show who has zero emotional scars? It would be a very “You can’t…